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Old 05-22-2007, 10:39 PM   #1 (permalink)
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Cross drilled rotors and pads

I need to replace the brake pads on my truck. I am considering cross drilled rotors and pads. Does anyone have a suggestion on what brand and were to get?
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Old 05-22-2007, 10:43 PM   #2 (permalink)
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cross drilled rotors will wear out your pads much faster... leave them to the high performance cars and high performance car wannabee's (ricers)

or if your stubborn, you can cross drill your own rotors and save a buck
maybe find some rotors off a wrecked truck or something to practice on/use
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Old 05-22-2007, 11:04 PM   #3 (permalink)
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Nice perspective, but what about pads that have good life and won't turn everything black?
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Old 05-22-2007, 11:15 PM   #4 (permalink)
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I'm personally pretty found of the perfomance friction pads. They seem to stop better and last longer than any other brand I have tried. I buy them at autozone and they have a lifetime warrenty.

George
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Old 05-23-2007, 11:29 AM   #5 (permalink)
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Cross drilled rotors supposedly have a much higher chance of cracking than regular rotors. What you may want to do is look into slotted rotors instead of cross drilled. Look at Summit Racing's catalog-I think they actually have some slotted rotors that fit our trucks-

HTH
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Old 05-23-2007, 11:43 AM   #6 (permalink)
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Ditto on sloted.

Pete
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Old 05-23-2007, 12:24 PM   #7 (permalink)
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I think on our heavy trucks sloted would be your best bet. Cross drilled rotors on our heavy trucks have a much higher chance of cracking. espechaly if you are towing and go thrugh a puttle or they get wet when there hot.
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Old 05-23-2007, 12:35 PM   #8 (permalink)
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How does a rotor crack/break?
if anything the cross drilled holes should let the hot gass escape and allow the rotor to keep cooler.
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Old 05-23-2007, 12:46 PM   #9 (permalink)
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They do discapate heat faster. But thay are also not as strong. There is less surface ariea. You get them real hot and they will start cracking between the holes.
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Old 05-24-2007, 11:32 AM   #10 (permalink)
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Yeah where the cracks start to form is around the drill holes. Drilling weakens the surface of the rotor because there's not as much mass to the rotor surface, yet it still has to "stop" a truck of the same weight.

It's sort of like trying to suspend something heavy with a piece of paper-if the piece of paper's complete (no holes, no tears), it can hold a fair amount of weight above it. But once you start punching holes in the piece of paper, any weight you put on it makes it tear a lot easier. When it comes to cross-drilled brake rotors, this means
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Old 05-24-2007, 12:12 PM   #11 (permalink)
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Problem solved!
This is a materials problem. Regular rotors are made from gray steel, which is weak crappy steal. Some spin offs of cross drilled rotors are just regular gray steel with holes; i could see gray steel cracking cause its junk metal, but not a set of rotors from EBC Brembo Bear etc cracking...
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Old 05-24-2007, 12:24 PM   #12 (permalink)
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I would go with a set of slotted/dimpled rotors and some good bendix semi-metallic pads. as far as brand for the rotors i have no idea im not much of a brake man i got my rotors of ebay they work real nice made a noticable difference.
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